18325620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1669}}^1$

素因数の和:1745

約数の個数: 72

約数和(自身を含む): 56532840

約数和(自身を除く): 38207220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1669, 1830, 2196, 2745, 3338, 3660, 5007, 5490, 6676, 8345, 10014, 10980, 15021, 16690, 20028, 25035, 30042, 33380, 50070, 60084, 75105, 100140, 101809, 150210, 203618, 300420, 305427, 407236, 509045, 610854, 916281, 1018090, 1221708, 1527135, 1832562, 2036180, 3054270, 3665124, 4581405, 6108540, 9162810, 18325620]

約数ペア:

[(1, 18325620), (2, 9162810), (3, 6108540), (4, 4581405), (5, 3665124), (6, 3054270), (9, 2036180), (10, 1832562), (12, 1527135), (15, 1221708), (18, 1018090), (20, 916281), (30, 610854), (36, 509045), (45, 407236), (60, 305427), (61, 300420), (90, 203618), (122, 150210), (180, 101809), (183, 100140), (244, 75105), (305, 60084), (366, 50070), (549, 33380), (610, 30042), (732, 25035), (915, 20028), (1098, 16690), (1220, 15021), (1669, 10980), (1830, 10014), (2196, 8345), (2745, 6676), (3338, 5490), (3660, 5007)]